Finding the Third Proportional to 58,065 and 89,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,065 : 89,365.50 = 89,365.50 : x
2. Step 2: Convert to fraction form
   58,065/89,365.50 = 89,365.50/x
3. Step 3: Cross multiply
   58,065x = 89,365.50 × 89,365.50
4. Step 4: Simplify right side
   58,065x = 7,986,192,590.25
5. Step 5: Solve for x
   x = 7,986,192,590.25/58,065
6. Step 6: Final answer
   x = 137,538.84